Cation Standard Back Catalog number: 50122 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9223.5-100MG Allopurinol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 315-30-0 Price on request 3014.10-K-IO 3,4,5-Trimethylheptane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20278-89-1 Price on request 675845 D3-TFNA, 100 µg/ml, Acetonitrile, 1ml Price on request